CN201034616Y - Electric coiling locating testing apparatus - Google Patents

Electric coiling locating testing apparatus Download PDF

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Publication number
CN201034616Y
CN201034616Y CNU2007200360479U CN200720036047U CN201034616Y CN 201034616 Y CN201034616 Y CN 201034616Y CN U2007200360479 U CNU2007200360479 U CN U2007200360479U CN 200720036047 U CN200720036047 U CN 200720036047U CN 201034616 Y CN201034616 Y CN 201034616Y
Authority
CN
China
Prior art keywords
frame
core pipe
cavity
switch
limit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2007200360479U
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Chinese (zh)
Inventor
姜国梁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Redleaf Audio & Visual Equipment Co., Ltd.
Original Assignee
Zhangjiagang Redleaf Audio & Visual Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhangjiagang Redleaf Audio & Visual Corp filed Critical Zhangjiagang Redleaf Audio & Visual Corp
Priority to CNU2007200360479U priority Critical patent/CN201034616Y/en
Application granted granted Critical
Publication of CN201034616Y publication Critical patent/CN201034616Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an electric winding limit location detection device which is accurate, safe and reliable. The utility model comprises a core tube, one end of which is loosely arranged in a bearing support, and the other end is arranged at a rotating shaft of a motor in a motor base by a core tube rotor; an installation cavity is arranged in the core tube rotor; a swing link is loosely arranged in the installation cavity, and the terminal traverses through the opening of the core tube; an upper and a lower limit switch and a manipulation cavity are arranged in a locating base, which is fixedly connected with the motor base; the pull rod cavity which is communicated with the manipulation cavity is arranged at the lower part; an upper frame and a shift lever are loosely arranged in the manipulation cavity, and the front end is arranged at the upper part of the upper limit switch; a pressing spring is arranged between the back end and the upper frame; the front end of the upper frame erects upwards and forms a shift head at the front of the support shift lever; a shift sheet at the back of the upper frame is inserted into the pull rod cavity, and a reset spring is arranged between the shift sheet and the upper frame; the lower limit switch is arranged at the lower part of the terminal of the swing link. The utility model is mainly applied to the electric curtain winding device.

Description

Electric coiling spacing detection device
Technical field
The utility model relates to the limit detection device that is used to detect the coiling object location in a kind of electric rolling device.
Background technology
As everyone knows, the electric rolling device of coiling things such as screen, curtain is used for reeling, be provided with controller and limit detection device, the structure of limit detection device generally includes: the screw rod of fixedlying connected with the output shaft of motor, be provided with stroke nut by screw thread on the screw rod, be respectively arranged with the upper and lower limit bit switch in the both sides of screw rod, and the position of upper and lower limit bit switch can regulate, the electric contact of upper and lower limit bit switch links to each other by the controller of lead with the control motor rotation.When producing debugging, adjust the relative position of upper and lower limit bit switch and stroke nut, make it with stroke nut between stroke corresponding with the upper and lower stroke of coiling things such as screen or curtain respectively.During work, under the control of controller, the driven by motor screw rod is done rotation forward or backwards, making stroke nut make corresponding straight line on screw rod moves, when stroke nut touches upper limit position switch or lower position switch, upper limit position switch or lower position switch just produce detection signal and give controller, cut off motor power, motor is shut down by controller, make the coiling thing be parked in the desired position.The shortcoming of this limit detection device is: the position of upper and lower limit bit switch is easy to move about because of the vibrations in the processes such as transportation, carrying, makes it not corresponding with the upper and lower limit position of coiling thing reality such as screen or curtain, causes the location inaccurate; The serious damage that also can cause the electric rolling device.
The utility model content
Technical problem to be solved in the utility model is: a kind of accurate positioning, safe and reliable electric coiling spacing detection device are provided.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: electric coiling spacing detection device, comprise: the core pipe, one end of core pipe is movably arranged in the supporting base, the other end of core pipe is set with core pipe rotor, the axle that produces of core pipe rotor and motor fixes, and motor is installed in the motor cabinet; Be provided with one in core pipe rotor cavity is installed, fork is movably arranged on by swing link pin and torsion spring and installs in the cavity, and the end of fork passes from the opening on the core pipe; On motor cabinet, also be fixed with a positioning seat, be provided with the upper and lower limit bit switch in the positioning seat and handle the chamber, the downside of positioning seat offers and handles the pull bar chamber that the chamber communicates, and is provided with the pressing device that can press upper limit position switch in the operating cavity, and the sliding piece in the pressing device stretches in the pull bar chamber; Lower position switch is positioned at fork end below.
The concrete structure of above-mentioned pressing device is: handle in the chamber and be movably set with upper frame and driving lever, the driving lever front end is positioned at the top of upper limit position switch, be provided with holddown spring between driving lever rear end and the upper frame, the front end of upper frame is upwards holded up, is formed and stir head, described driving lever front end is supported on to be stirred on the head, the rear portion of upper frame is provided with sliding piece, and between sliding piece and the pull bar chamber back-moving spring is set.
Also be provided with spacing block set in above-mentioned installation cavity, offer spacing via hole in described fork, the spacing block set activity is located in the spacing via hole.
Above-mentioned upper and lower limit bit switch is a microswitch.
The beneficial effects of the utility model are: the upper and lower limit bit switch in the utility model is fixedly mounted in the positioning seat respectively, and directly trigger by the position of the upper and lower limit of coiling thing reality such as screen or curtain, overcome original upper and lower limit bit switch and moved about easily because of the position and locate inaccurate defective, guaranteed the accurate location of coiling thing upper and lower limit position; Simultaneously, the security performance of whole limit detection device has also obtained reliable guarantee, greatly reduces maintenance cost.
Description of drawings
Fig. 1 is a main TV structure synoptic diagram of the present utility model;
Fig. 2 is a blast structural representation of the present utility model;
Fig. 3 is the perspective view of core pipe rotor;
Fig. 4 is the perspective view of core pipe one portion of end office (EO) structure;
Fig. 5 is the assembly relation synoptic diagram of core pipe rotor and core pipe;
Fig. 6 is the perspective view that is provided with the positioning seat of pressing device and upper and lower limit bit switch;
Fig. 7 is the perspective view of looking up direction of Fig. 6;
Fig. 8 is that the position of core pipe rotor and positioning seat concerns synoptic diagram;
Fig. 9, Figure 10 are respectively the perspective view of two different visual angles of pressing device;
Among Fig. 1 to Figure 10: 1, the core pipe, 11, outer shifting block opening, 12, interior shifting block opening, 2, core pipe rotor, 21, torsion spring, 22, swing link pin, 23, fork, 24, spacing block set, 25, fixed orifice, 3, positioning seat, 31, handle the chamber, 32, upper frame, 321, the holddown spring post, 322, sliding piece, 323, stir head, 324, the back-moving spring post, 325, the upper frame journal stirrup, 33, driving lever, 331, the holddown spring post, 332, the driving lever front end, 333, the driving lever rear end, 335, the driving lever journal stirrup, 34, holddown spring, 35, back-moving spring, 36, the pull bar chamber, 364, the back-moving spring post, 37, bearing pin, 4, upper limit position switch, 5, lower position switch, 6, motor cabinet, 71, left end cap, 72, supporting base, 73, bearing, 74, the core pipe plug, 75, subsidiary positioning bases, 751, the auxiliary connecting rod chamber, 77, pull bar, 78, drag link sleeve, 79, right end cap, 80, screen, 9, motor.
Embodiment
The utility model will be further described below in conjunction with accompanying drawing:
Extremely shown in Figure 2 as Fig. 1, electric coiling spacing detection device described in the utility model, comprise: core pipe 1, one end of core pipe 1 is movably arranged in the supporting base 72 by core pipe plug 74 and bearing 73, the other end of core pipe 1 is set with core pipe rotor 2, core pipe rotor 2 is fixed together by the axle that produces of fixed orifice 25 with motor 9, and motor 9 is installed in the motor cabinet 6; As shown in Figure 3, in core pipe rotor 2, be provided with one cavity is installed, fork 23 is movably arranged on by swing link pin 22 and torsion spring 21 and installs in the cavity, in the present embodiment, the end of fork 23 is provided with inside and outside shifting block 232 and 231, and inside and outside shifting block 232 and 231 passes the inside and outside shifting block opening 12 and 11 from core pipe 1 respectively---and its structure is referring to Fig. 4, shown in Figure 5; On motor cabinet 6, be fixed with a positioning seat 3, as Fig. 6, shown in Figure 7, be provided with in the positioning seat 3, lower position switch 4 and 5 and handle chamber 31, the downside of positioning seat 3 offers and handles the pull bar chamber 36 that chamber 31 communicates, activity is provided with pressing device in the manipulation chamber 31, as Fig. 9, shown in Figure 10, its concrete structure comprises: upper frame 32 and driving lever 33, the both sides of upper frame 32 are respectively arranged with upper frame journal stirrup 325, the both sides of driving lever 33 are respectively arranged with driving lever journal stirrup 335, and this a pair of upper frame journal stirrup 325 and a pair of driving lever journal stirrup 335 activities are located in one and are fixed on the bearing pin of handling in the chamber 31 37; Driving lever front end 332 is positioned at the top of upper limit position switch 4, be respectively arranged with the holddown spring post 331 and 321 that cooperatively interacts on driving lever rear end 333 and the upper frame 32, be arranged with holddown spring 34 on this a pair of holddown spring post 331 and 321, the front end of upper frame 32 is upwards holded up, formation stirs 323, described driving lever front end 332 is supported on to be stirred on 323, make driving lever front end 332 and upper limit position switch 4 be in released state, the sliding piece 322 at upper frame 32 rear portions stretches in the pull bar chamber 36, be respectively arranged with the back-moving spring post 324 and 364 that cooperatively interacts on the sliding piece 322 He in the pull bar chamber 36, be arranged with back-moving spring 35 on this a pair of back-moving spring post 324 and 364, lower position switch 5 is positioned at the below of the outer shifting block 321 of fork 23 ends---referring to shown in Figure 8.In actual applications, upper and lower limit bit switch 4 links to each other by the controller of lead with 9 runnings of control motor with 5 electric contact---and lead and controller all belong to the technology of usual use in this area, though do not draw in the drawings, this does not influence understanding and the realization of those skilled in the art to this structure.As shown in Figure 3, in the present embodiment, assembling for the ease of core pipe rotor 2, also be provided with spacing block set 24 in described installation cavity, offer spacing via hole in described fork 23, spacing block set 24 activities are located in the spacing via hole, make fork 23 unrestrictedly outwards not launch, when spacing block set 24 was resisted against on the lateral wall of spacing via hole, fork 23 was deployed into extreme position, thereby can prevent effectively that fork 23 from coming off from cavity is installed; In the present embodiment, upper and lower limit bit switch 4 and 5 is for having the microswitch of a pair of normally closed contact.When practical application, be wound with coiling things such as screen 80 or curtain on the core pipe 1, when coiling things such as screen 80 or curtain are in reeling condition promptly less than whole the expansion, its right edge will tightly wrap interior shifting block 232, make that fork 23 is oppressed in cavity is installed, thereby the outer shifting block of fork 2 ends 321 is in released state with lower position switch 5; In addition, also be respectively arranged with left and right end cap 71 and 79 in the both sides of core pipe 1, the lower end of coiling things such as screen 80 or curtain is provided with pull bar 77, and the two ends of pull bar 77 are respectively arranged with drag link sleeve 78; For the ease of the playback of drag link sleeve 78, on supporting base 72, also be provided with the subsidiary positioning bases 75 that matches with positioning seat 3, offer the auxiliary connecting rod chamber 751 of matching in the subsidiary positioning bases 75 with the pull bar chamber 36 in the positioning seat 3.
In order to narrate conveniently, be that example is discussed just here with screen 80, and supposition: motor 9 is just changeing, and screen 80 is risen; Motor 9 counter-rotatings, screen 80 descends.Next specifically describe principle of work of the present utility model: described controller comprises makes motor 9 forward feed circuit that just changeing and the reverse feed circuit that make motor 9 counter-rotatings, the a pair of normally closed contact of upper limit position switch 4 is connected in the forward feed circuit by lead, and a pair of normally closed contact of lower position switch 5 is connected in the reverse feed circuit by lead.The course of work of the present utility model is: when giving the power supply of motor 9 forwards, screen 80 is constantly risen, when the drag link sleeve 78 of both sides, screen 80 lower end enters auxiliary connecting rod chamber 751 and pull bar chamber 36 respectively, the drag link sleeve 78 on screen 80 right sides is with the sliding piece 322 in the roof pressure pull bar chamber 36, make whole upper frame 32 around bearing pin 37 turns, and be supported on the driving lever 32 stirred on 323 under the effect of holddown spring 34 by driving lever front end 332, also around bearing pin 37 along with upper frame 32 turn together, be pressed on the upper limit position switch 4 until driving lever front end 332, make the normally closed contact of upper limit position switch 4 disconnect, controller just makes motor 9 because of the dead electricity stall, here need to prove: as can be seen from the course of action of driving lever 33, the power that driving lever front end 332 acts on the upper limit position switch 4 is only relevant with the elastic force of holddown spring 34, and it is irrelevant with the stroke of sliding piece 322, therefore, select the moderate holddown spring 34 of elasticity, upper limit position switch 4 is well protected, thereby can be prolonged the serviceable life of upper limit position switch 4; When oppositely powering for motor 9, screen 80 constantly descends, when screen 80 launches fully, because the interior shifting block 232 of fork 23 has broken away from the constraint of screen 80, whole fork 23 outwards launches under the effect of torsion spring 21, make the outer shifting block 231 of fork 23 ends be pressed on the lower position switch 5, make the normally closed contact of lower position switch 5 disconnect, controller just makes motor 9 because of the dead electricity stall.
From the above-mentioned course of work as can be seen, upper and lower limit bit switch 4 in the utility model is corresponding with the upper and lower limit position of screen 80 reality with 5 fixed installation position, overcome original upper and lower limit bit switch and moved about easily because of the position and locate inaccurate defective, guaranteed the accurate location of coiling thing upper and lower limit positions such as screen 80 or curtain; Simultaneously, the security performance of whole limit detection device has also obtained reliable guarantee, greatly reduces maintenance cost.

Claims (4)

1. electric coiling spacing detection device, comprise: core pipe [1], an end of core pipe [1] are movably arranged in the supporting base [72], and the other end of core pipe [1] is set with core pipe rotor [2], core pipe rotor [2] fixes with the axle that produces of motor [9], and motor [9] is installed in the motor cabinet [6]; It is characterized in that: be provided with one in core pipe rotor [2] cavity is installed, fork [23] is movably arranged on by swing link pin [22] and torsion spring [21] and installs in the cavity, and the end of fork [23] passes from the opening on the core pipe [1]; On motor cabinet [6], also be fixed with a positioning seat [3], be provided with upper and lower limit bit switch [4], [5] in the positioning seat [3] and handle chamber [31], the downside of positioning seat [3] offers and handles the pull bar chamber [36] that chamber [31] communicates, operating cavity is provided with the pressing device that can press upper limit position switch [4] in [31], and the sliding piece in the pressing device [322] stretches in the pull bar chamber [36]; Lower position switch [5] is positioned at the terminal below of fork [23].
2. electric coiling spacing detection device as claimed in claim 1, it is characterized in that: the concrete structure of described pressing device is: handle in the chamber [31] and be movably set with upper frame [32] and driving lever [33], driving lever front end [332] is positioned at the top of upper limit position switch [4], be provided with holddown spring [34] between driving lever rear end [333] and the upper frame [32], the front end of upper frame [32] is upwards holded up, head [323] is stirred in formation, described driving lever front end [332] is supported on to be stirred on the head [323], the rear portion of upper frame [32] is provided with sliding piece [322], and between sliding piece [322] and pull bar chamber [36] back-moving spring [35] is set.
3. electric coiling spacing detection device as claimed in claim 1 or 2, it is characterized in that: in described installation cavity, also be provided with spacing block set [24], offer spacing via hole in described fork [23], spacing block set [24] activity is located in the spacing via hole.
4. electric coiling spacing detection device as claimed in claim 1 or 2 is characterized in that: described upper and lower limit bit switch [4] and [5] are microswitch.
CNU2007200360479U 2007-04-18 2007-04-18 Electric coiling locating testing apparatus Expired - Fee Related CN201034616Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200360479U CN201034616Y (en) 2007-04-18 2007-04-18 Electric coiling locating testing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200360479U CN201034616Y (en) 2007-04-18 2007-04-18 Electric coiling locating testing apparatus

Publications (1)

Publication Number Publication Date
CN201034616Y true CN201034616Y (en) 2008-03-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007200360479U Expired - Fee Related CN201034616Y (en) 2007-04-18 2007-04-18 Electric coiling locating testing apparatus

Country Status (1)

Country Link
CN (1) CN201034616Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101059707B (en) * 2007-04-18 2010-12-15 张家港市红叶视听器材有限公司 Electric winding limit detection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101059707B (en) * 2007-04-18 2010-12-15 张家港市红叶视听器材有限公司 Electric winding limit detection device

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CP03 Change of name, title or address

Address after: Fengzhen Jin Lian Xing Cun, Zhangjiagang City, Jiangsu province zip code: 215625

Patentee after: Jiangsu Redleaf Audio & Visual Equipment Co., Ltd.

Address before: Zhangjiagang, Jiangsu Province, Fengzhen Jin Xing District, Yang Jin Road next to the (gas station north), zip code: 215625

Patentee before: Zhangjiagang Redleaf Audio & Visual Corp.

C56 Change in the name or address of the patentee

Owner name: JIANGSU HONGYE AUDIOVISUALS CO., LTD.

Free format text: FORMER NAME: ZHANGJIAGANG CITY HONGYE AUDIO-VISUAL AID CO., LTD.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080312

C17 Cessation of patent right